communicatory vs communicative

communicatory and communicative both are adjectives.

Word	Noun	Adjective	Verb	Adverb
communicatory	No	Yes	No	No
communicative	No	Yes	No	No

As adjectives, communicatory and communicative are synonyms defined as:

communicatory (adjective)	communicative (adjective)
able or tending to communicate	able or tending to communicate
	of or relating to communication